CVE-2026-56741 | JLine prior 3.30.14/4.0.16/4.2.1 Telnet server remote-telnet module TelnetIO.java handleNAWS width/height resource consumption

July 17, 2026 Yanac

A vulnerability classified as problematic was found in JLine. This issue affects the function handleNAWS of the file TelnetIO.java of the component Telnet server remote-telnet module. Such manipulation of the argument width/height leads to resource consumption.

This vulnerability is listed as CVE-2026-56741. The attack may be performed from remote. There is no available exploit.VulDB Recent EntriesRead More